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1b7g

From Proteopedia

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[[Image:1b7g.jpg|left|200px]]
 
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==GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE==
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The line below this paragraph, containing "STRUCTURE_1b7g", creates the "Structure Box" on the page.
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<StructureSection load='1b7g' size='340' side='right'caption='[[1b7g]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1b7g]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharolobus_solfataricus Saccharolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B7G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1B7G FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.05&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1b7g| PDB=1b7g | SCENE= }}
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1b7g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1b7g OCA], [https://pdbe.org/1b7g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1b7g RCSB], [https://www.ebi.ac.uk/pdbsum/1b7g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1b7g ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/G3P_SACS2 G3P_SACS2] Can use both NAD and NADP as cofactors, but exhibits a marked preference for NADP.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/b7/1b7g_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1b7g ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) from the archaea shows low sequence identity (16-20%) with its eubacterial and eukaryotic counterparts. The crystal structure of the apo GAPDH from Sulfolobus solfataricus has been determined by multiple isomorphous replacement at 2.05 A resolution. The enzyme has several differences in secondary structure when compared with eubacterial GAPDHs, with an overall increase in the number of alpha-helices. There is a relocation of the active-site residues within the catalytic domain of the enzyme. The thermostability of the S. solfataricus enzyme can be attributed to a combination of an ion pair cluster and an intrasubunit disulphide bond.
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'''GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE'''
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Crystal structure of the glyceraldehyde-3-phosphate dehydrogenase from the hyperthermophilic archaeon Sulfolobus solfataricus.,Isupov MN, Fleming TM, Dalby AR, Crowhurst GS, Bourne PC, Littlechild JA J Mol Biol. 1999 Aug 20;291(3):651-60. PMID:10448043<ref>PMID:10448043</ref>
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==Overview==
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The enzyme glyceraldehyde-3-phosphate dehydrogenase (GAPDH) from the archaea shows low sequence identity (16-20%) with its eubacterial and eukaryotic counterparts. The crystal structure of the apo GAPDH from Sulfolobus solfataricus has been determined by multiple isomorphous replacement at 2.05 A resolution. The enzyme has several differences in secondary structure when compared with eubacterial GAPDHs, with an overall increase in the number of alpha-helices. There is a relocation of the active-site residues within the catalytic domain of the enzyme. The thermostability of the S. solfataricus enzyme can be attributed to a combination of an ion pair cluster and an intrasubunit disulphide bond.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1B7G is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Sulfolobus_solfataricus Sulfolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1B7G OCA].
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</div>
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<div class="pdbe-citations 1b7g" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Crystal structure of the glyceraldehyde-3-phosphate dehydrogenase from the hyperthermophilic archaeon Sulfolobus solfataricus., Isupov MN, Fleming TM, Dalby AR, Crowhurst GS, Bourne PC, Littlechild JA, J Mol Biol. 1999 Aug 20;291(3):651-60. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10448043 10448043]
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*[[Aldehyde dehydrogenase 3D structures|Aldehyde dehydrogenase 3D structures]]
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[[Category: Single protein]]
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*[[Glyceraldehyde-3-phosphate dehydrogenase 3D structures|Glyceraldehyde-3-phosphate dehydrogenase 3D structures]]
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[[Category: Sulfolobus solfataricus]]
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== References ==
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[[Category: Isupov, M N.]]
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<references/>
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[[Category: Littlechild, J A.]]
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__TOC__
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[[Category: Archaea]]
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</StructureSection>
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[[Category: Gapdh]]
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[[Category: Large Structures]]
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[[Category: Hyperthermophile]]
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[[Category: Saccharolobus solfataricus]]
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[[Category: Hyperthermophilic dehydrogenase]]
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[[Category: Isupov MN]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 11:10:00 2008''
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[[Category: Littlechild JA]]

Current revision

GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE

PDB ID 1b7g

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